| function foo(o, p) { |
| var x = 100; |
| var result = 101; |
| var pf = p.g; |
| try { |
| x = 102; |
| pf++; |
| o.f = x + pf; |
| o = 104; |
| pf++; |
| x = 106; |
| } catch (e) { |
| return {outcome: "exception", values: [o, pf, x]}; |
| } |
| return {outcome: "return", values: [o, pf, x]}; |
| } |
| |
| noInline(foo); |
| |
| // Warm up foo() with polymorphic objects and getters. |
| for (var i = 0; i < 100000; ++i) { |
| var o = {}; |
| if (i & 1) |
| o["i" + i] = i; // Make it polymorphic. |
| var result = foo(o, {g:200}); |
| if (result.outcome !== "return") |
| throw "Error in loop: bad outcome: " + result.outcome; |
| if (result.values.length !== 3) |
| throw "Error in loop: bad number of values: " + result.values.length; |
| if (result.values[0] !== 104) |
| throw "Error in loop: bad values[0]: " + result.values[0]; |
| if (result.values[1] !== 202) |
| throw "Error in loop: bad values[1]: " + result.values[1]; |
| if (result.values[2] !== 106) |
| throw "Error in loop: bad values[2]: " + result.values[2]; |
| if (o.f != 102 + 201) |
| throw "Error in loop: bad value of o.f: " + o.f; |
| } |
| |
| // Now throw an exception. |
| var o = {}; |
| o.__defineSetter__("f", function() { |
| throw "Error42"; |
| }); |
| var result = foo(o, {g:300}); |
| if (result.outcome !== "exception") |
| throw "Error at end: bad outcome: " + result.outcome; |
| if (result.values.length !== 3) |
| throw "Error at end: bad number of values: " + result.values.length; |
| if (result.values[0] !== o) |
| throw "Error at end: bad values[0]: " + result.values[0]; |
| if (result.values[1] !== 301) |
| throw "Error at end: bad values[1]: " + result.values[1]; |
| if (result.values[2] !== 102) |
| throw "Error at end: bad values[2]: " + result.values[2]; |
| |